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#include <iostream>
#include <fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int v[105][105],n,m,x,y,aux;
void citire()
{
in>>n;
for(int i=1;i<=n;++i)
for(int j=1;j<=n;++j)
in>>v[i][j];
}
void test()
{
for(int i=1;i<=n;++i)
for(int j=1;j<=n;++j)
if(v[i][j]==0 and i!=j)
v[i][j]=1e5;
}
void roy_floyd()
{
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(v[i][j]>v[i][k]+v[k][j])
v[i][j]=v[i][k]+v[k][j];
}
void afisare()
{
for(int i=1;i<=n;++i)
{
for(int j=1;j<=n;++j)
cout<<v[i][j]<<' ';
cout<<endl;
}
}
int main()
{
citire();
test();
roy_floyd();
afisare();
in.close();
out.close();
return 0;
}